/**
 * Copyright (c) 2024 Huawei Technologies Co., Ltd.
 * This file is a part of the CANN Open Software.
 * Licensed under CANN Open Software License Agreement Version 1.0 (the
 * "License"). Please refer to the License for details. You may not use this
 * file except in compliance with the License. THIS SOFTWARE IS PROVIDED ON AN
 * "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS
 * FOR A PARTICULAR PURPOSE. See LICENSE in the root of the software repository
 * for the full text of the License.
 */

#ifndef EXAMPLES_NORMALIZATION_LAYERNORM_GRAD_CUSTOM_TILING_H
#define EXAMPLES_NORMALIZATION_LAYERNORM_GRAD_CUSTOM_TILING_H
#include "register/tilingdata_base.h"
#include "tiling/tiling_api.h"

namespace optiling {
BEGIN_TILING_DATA_DEF(LayernormGradCustomTilingData)
TILING_DATA_FIELD_DEF_STRUCT(LayerNormGradTiling, layernormGradTilingData);
TILING_DATA_FIELD_DEF(float, epsilon);
END_TILING_DATA_DEF;

REGISTER_TILING_DATA_CLASS(LayernormGradCustom, LayernormGradCustomTilingData)
} // namespace optiling

void ComputeTiling(const uint32_t bLength, const uint32_t sLength,
                   const uint32_t hLength,
                   optiling::LayernormGradCustomTilingData &tiling) {
  ge::Shape geShape({bLength, sLength, hLength, hLength});

  uint32_t maxTmpSize = 0;
  uint32_t minTmpSize = 0;
  bool isReuseSource = false;
  AscendC::GetLayerNormGradMaxMinTmpSize(geShape, sizeof(float), isReuseSource,
                                         maxTmpSize, minTmpSize);
  uint32_t localWorkspaceSize = minTmpSize;
  AscendC::GetLayerNormGradNDTilingInfo(geShape, localWorkspaceSize,
                                        sizeof(float), isReuseSource,
                                        tiling.layernormGradTilingData);

  tiling.set_epsilon(0.0001);
}
#endif // EXAMPLES_NORMALIZATION_LAYERNORM_GRAD_CUSTOM_TILING_H